Color

#000a66

#000a66
hex#000a66
rgbrgb(0, 10, 102)
hslhsl(234, 100%, 20%)
oklchoklch(0.242 0.152 264.2)
Closest name: Alone in the Dark (#000066)Relative luminance 0.0118

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#665c00

#003d66 · #290066

#66000a · #0a6600

Split-complementary

Open in tool →

#662900 · #3d6600

#66003d · #665c00 · #006629

Contrast

#000a66 as textRatioAAAA largeAAAFix
Aaon white
17:1passpasspassPasses AAA — no fix needed.
Aaon black
1.24:1failfailfail
  • AA: use #5263ff as the text (4.59:1)
  • AAA: use #808cff as the text (7.11:1)
  • AA: or shift the background to #858585 (4.61:1)
  • AAA: or shift the background to #a8a8a8 (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #000a66 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#000a66 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #000a66
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #000a66 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/000a66-9d9cc4-df8a4e-241f2d-e9eef1?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md